Wheel chock



FIG. 1 is a perspective top view of a wheel chock embodying my new design;

FIG. 2 is a top perspective view taken from the opposite side thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is an end elevation view thereof. 

The ornamental design for a wheel chock, as shown and described. 